Naru Narusegawa, One of the many lead characters in the awesome anime series "Love Hina" She is the beautiful girl that Keitaro falls in love with and eventually become romantically involved. She is violent as well :P She is referenced in many other anime series.

Naru, Koalla Sue(adult and child), Shinobu, and the rest of the Love Hina Females become atracted to Keitaro